AMS Sectional Meeting Full Program

Current as of Tuesday, April 12, 2005 15:08:35

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Program  |  Deadlines  |  Inquiries:  meet@ams.org

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1989 AMS Eastern Section Meeting
Hoboken, NJ, October 21-22, 1989
Meeting #851

Associate secretaries:
W Wistar Comfort, AMS wcomfort@wesleyan.edu

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Saturday October 21, 1989

• Saturday October 21, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Geometry Related to Computer Vision, I
  Room 219, Kidde Hall
  

  • 8:00 a.m.
    Encoding rectilinear polygonal arcs.
    Prabir Bhattacharya*, University of Nebraska, Lincoln
    Azriel Rosenfeld, University of Maryland, College Park
    (851-68-59)
  • 8:30 a.m.
    Discretized straight lines: Parameters, primitives and properties.
    Leo Dorst*, Technical University Delft, The Netherlands and North American Philips Corporation, Briarcliff Manor, New York
    (851-68-81)
  • 9:00 a.m.
    Discussion
  • 9:30 a.m.
    Orthogonal polygons: Convexity and visibility.
    Derick Wood*, University of Waterloo
    (851-51-86)
• Saturday October 21, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Algebraic Semantics, I
  Room 216, Pierce Hall
  

  • 8:00 a.m.
    Matrix and matricial iteration theories.
    Stephen L. Bloom*, Stevens Institute of Technology
    (851-68-68)
  • 8:30 a.m.
    Algebraic semantics and data directed design.
    Eric G. Wagner*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-68-66)
  • 9:00 a.m.
    Boolean categories: A foundation for assertion semantics.
    Ernest G. Manes*, University of Massachusetts, Amherst
    (851-68-45)
  • 9:30 a.m.
    Sequential structures.
    Michael W. Mislove, Tulane University
    Frank J. Oles*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-68-67)
• Saturday October 21, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Mathematical Fluid Dynamics, I
  Room 218, Pierce Hall
  

  • 8:00 a.m.
    A boundary-value problem for the stationary Vlasov-Poisson equations: the plane diode.
    Claude Greengard*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-76-84)
  • 8:30 a.m.
    Convergence of a point vortex method for vortex sheets.
    Thomas Y. Hou*, Courant Institute of Mathematical Sciences, New York University
    (851-65-48)
  • 9:00 a.m.
    Solitary water waves with capillary ripples at infinity.
    J. Thomas Beale*, Duke University
    (851-76-72)
  • 9:30 a.m.
    Computation of solitary internal waves in stratified fluids.
    Bruce Turkington*, University of Massachusetts, Amherst
    Alexander Eydeland, University of Massachusetts, Amherst
    Sheng Wang, University of Massachusetts, Amherst
    (851-76-99)
• Saturday October 21, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Low-dimensional Topology, I
  Room 203, Morton Hall
  

  • 8:00 a.m.
    Geometric finiteness of certain Kleinian groups.
    Peter Scott*, University of Michigan, Ann Arbor
    G. A. Swarup, University of Melbourne, Australia
    (851-57-24)
  • 8:30 a.m.
    The boundary of outer space in rank two.
    Marc Culler, University of Illinois, Chicago
    Karen Vogtmann*, Cornell University
    (851-20-14)
  • 9:00 a.m.
    Thin triangles in finite volume hyperbolic group graphs.
    Kay Tatsuoka*, Rutgers University, Newark
    (851-20-28)
  • 9:30 a.m.
    The anti-length spectrum for hyperbolic 3-manifolds.
    Robert Meyerhoff*, Boston University
    (851-57-46)
• Saturday October 21, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Algebraic Geometry, P-adic Aspects, I
  Room 224, Kidde Hall
  

  • 8:00 a.m.
    Formal Mellin transform in the arithmetic of function fields.
    David Goss*, Ohio State University, Columbus
    (851-11-56)
  • 8:30 a.m.
    Rigid subanalytic sets.
    Leonard Lipshitz*, Purdue University, West Lafayette
    (851-14-57)
  • 9:00 a.m.
    Duality theorems in rigid analytic spaces.
    Bruno Chiarellotto*, Princeton University
    (851-14-65)
  • 9:30 a.m.
    Logarithmic decay and overconvergence of the unit root zeta function.
    B. Dwork*, Princeton University
    S. Sperber, University of Minnesota, Minneapolis
    (851-14-64)
• Saturday October 21, 1989, 8:30 a.m.-9:50 a.m.
  Special Session on Computational Algebra, I
  Room 116, Pierce Hall
  

  • 8:30 a.m.
    What can be computed in algebraic geometry?
    Dave Bayer*, Columbia University
    (851-14-103)
  • 9:00 a.m.
    Faster base changes for groups, and their applications.
    Gene Cooperman*, Northeastern University
    (851-20-75)
  • 9:30 a.m.
    Fast Fourier analysis for finite groups.
    Daniel N. Rockmore*, Columbia University
    (851-20-60)
• Saturday October 21, 1989, 10:00 a.m.-11:00 a.m.
  Invited Address
  Level sets of solutions of elliptic and parabolic equations.
  Room 228, Kidde Hall
  Fang-Hua Lin*, Courant Institute of Mathematical Sciences, New York University
  (851-35-93)
• Saturday October 21, 1989, 12:30 p.m.-1:30 p.m.
  Invited Address
  Geometric aspects of topological entropy.
  Room 228, Kidde Hall
  Sheldon E. Newhouse*, University of North Carolina, Chapel Hill
  (851-58-47)
• Saturday October 21, 1989, 1:45 p.m.-4:05 p.m.
  Special Session on Geometry Related to Computer Vision, II
  Room 219, Kidde Hall
  

  • 1:45 p.m.
    Discrete multidimensional Jordan surfaces.
    Gabor T. Herman*, University of Pennsylvania
    (851-57-01)
  • 2:15 p.m.
    Two approaches to digital topology.
    T. Y. Kong*, Queens College, City University of New York
    (851-68-08)
  • 2:45 p.m.
    Pattern matching as a basis for programmatic feature recognition.
    Thomas J. Peters*, University of Connecticut, Storrs
    (851-68-74)
  • 3:15 p.m.
    Combinatorial and computational aspects of Minkowski decompositions.
    Ruth Silverman*, University of the District of Columbia
    David Mount, University of Maryland, College Park
    (851-51-58)
  • 3:45 p.m.
    Discussion
• Saturday October 21, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Algebraic Semantics, II
  Room 216, Pierce Hall
  

  • 1:45 p.m.
    Step bisimulation can be truly concurrent.
    Douglas R. Troeger*, Syracuse University
    (851-68-69)
  • 2:15 p.m.
    A general framework for models of type polymorphism.
    Badri R. Narayanan*, Stevens Institute of Technology
    (851-68-80)
  • 2:45 p.m.
    Discussion
• Saturday October 21, 1989, 1:45 p.m.-3:35 p.m.
  Special Session on Mathematical Fluid Dynamics, II
  Room 218, Pierce Hall
  

  • 1:45 p.m.
    Some experiments on a vortex redistribution method.
    Leon L. Van Dommelen*, Florida A & M University
    (851-76-55)
  • 2:15 p.m.
    Discussion
  • 2:45 p.m.
    On the smallest scale estimates for the incompressible Navier-Stokes equations.
    William D. Henshaw, IBM T. J. Watson Research Center, Yorktown Heights, New York
    Heinz-Otto Kreiss, University of California, Los Angeles
    Luis G. Reyna*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-76-38)
  • 3:15 p.m.
    Stieltjes integral representation and effective diffusivity bounds for turbulent transport.
    Marco Avellaneda*, Courant Institute of Mathematical Sciences, New York University
    Andrew J. Majda, Princeton University
    (851-76-100)
• Saturday October 21, 1989, 1:45 p.m.-4:05 p.m.
  Special Session on Low-dimensional Topology, II-A
  Room 203, Morton Hall
  

  • 1:45 p.m.
    Deformations of length functions in groups.
    Richard K. Skora*, Columbia University
    (851-20-12)
  • 2:15 p.m.
    A one-parameter Lefschetz fixed point theorem.
    Ross Geoghegan*, State University of New York, Binghamton
    (851-57-22)
  • 2:45 p.m.
    Examples of discrete groups acting on complex hyperbolic 2-space.
    William M. Goldman*, University of Maryland, College Park
    (851-57-40)
  • 3:15 p.m.
    On Haken- and Heegaard-spectra for 3-manifolds.
    Klaus Johannson*, University of Tennessee, Knoxville
    (851-57-26)
  • 3:45 p.m.
    Closed braid representatives of split and composite links.
    Joan S. Birman*, Institute for Advanced Study
    William W. Menasco, State University of New York, Buffalo
    (851-57-30)
• Saturday October 21, 1989, 1:45 p.m.-3:35 p.m.
  Special Session on Low-dimensional Topology, II-B
  Room 201, Morton Hall
  

  • 1:45 p.m.
    The orthogonal spectrum of a hyperbolic surface.
    Ara Basmajian*, University of Oklahoma
    (851-30-06)
  • 2:15 p.m.
    Limit volumes of hyperbolic three-orbifolds.
    Colin Adams*, Williams College
    (851-57-15)
  • 2:45 p.m.
    A parameter space for immersed incompressible surfaces in 3-manifolds.
    John Hempel*, Rice University
    (851-57-85)
  • 3:15 p.m.
    Integral formulae for the enhancement of links and singularities.
    Lee Rudolph*, Clark University
    (851-53-23)
• Saturday October 21, 1989, 1:45 p.m.-4:05 p.m.
  Special Session on Smooth Dynamical Systems, I
  Room 120, Pierce Hall
  

  • 1:45 p.m.
    Asymptotic homotopy cycles and iterated integrals.
    Diego Benardete*, Tufts University
    John Mitchell, Prime Computer, Bedford, Massachusetts
    (851-58-89)
  • 2:15 p.m.
    Markov partitions for expanding maps of the circle.
    Matt Stafford*, University of Minnesota, Minneapolis
    (851-58-37)
  • 2:45 p.m.
    Invariant measures for smooth maps on manifolds.
    Jane Hawkins*, University of North Carolina, Chapel Hill
    (851-28-71)
  • 3:15 p.m.
    Zero prime end rotation number implies a fixed point.
    Marcy Barge*, Montana State University
    Richard Gillette, Montana State University
    (851-58-91)
  • 3:45 p.m.
    Linear differential equations with a quasi-periodic, skew-Hermitian coefficient matrix.
    Marek Rychlik*, University of Arizona
    (851-58-61)
• Saturday October 21, 1989, 1:45 p.m.-3:35 p.m.
  Special Session on Computational Algebra, II
  Room 116, Pierce Hall
  

  • 1:45 p.m.
    Polynomial factorization and applications.
    Erich Kaltofen*, Rensselaer Polytechnic Institute
    (851-12-62)
  • 2:15 p.m.
    Shrinking lattice polyhedra.
    John Cremona, University of Exeter, England
    Susan Landau*, Wesleyan University and University of Massachusetts, Amherst
    (851-51-63)
  • 2:45 p.m.
    Structures for computational algebra in scratchpad.
    Stephen M. Watt*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-68-95)
  • 3:15 p.m.
    The computation of Galois groups.
    Clifton J. Williamson*, IBM T. J. Watson Research Center, Yorktown Heights, New York
    (851-11-97)
• Saturday October 21, 1989, 1:45 p.m.-4:05 p.m.
  Special Session on Algebraic Geometry, P-adic Aspects, II
  Room 224, Kidde Hall
  

  • 1:45 p.m.
    Fundamental groups over the p-adics and modulo p.
    David Harbater*, University of Pennsylvania
    (851-14-52)
  • 2:15 p.m.
    p-Adic local zeta functions and Newton polyhedron.
    Diane Meuser*, Boston University
    (851-14-101)
  • 2:45 p.m.
    Distinctness of Kloosterman sums.
    Benji Fisher*, Princeton University
    (851-14-102)
  • 3:15 p.m.
    Monodromy of Kloosterman F-crystals, I.
    Richard Crew*, University of Minnesota, Minneapolis
    (851-14-96)
  • 3:45 p.m.
    Discussion
• Saturday October 21, 1989, 1:45 p.m.-3:55 p.m.
  General Session
  Room 220, Pierce Hall
  

  • 1:45 p.m.
    A bouquet of congruences.
    Joseph Arkin*, United States Military Academy
    David C. Arney, United States Military Academy
    Rickey A. Kolb, United States Military Academy
    (851-11-05)
  • 2:00 p.m.
    Systems of super sequential numbers.
    Joseph Arkin, United States Military Academy
    David C. Arney*, United States Military Academy
    Lee S. Dewald, United States Military Academy
    Frank R. Giordano, United States Military Academy
    (851-11-02)
  • 2:15 p.m.
    Lusin's theorem for absolutely continuous functions.
    Casper Goffman*, Purdue University, West Lafayette
    (851-26-19)
  • 2:30 p.m.
    Rational reciprocity.
    Charles Helou*, Pennsylvania State University, Delaware County Campus
    (851-11-18)
  • 2:45 p.m.
    A nonlinear recurrence yielding binary digits.
    Stanley Rabinowitz*, Westford, Massachusetts
    Peter Gilbert, Digital Equipment Corporation, Nashua, New Hampshire
    (851-11-88)
  • 3:00 p.m.
    Regular lattices and weakly replete lattices.
    George M. Eid*, John Jay College of Criminal Justice, City University of New York
    (851-28-51)
  • 3:15 p.m.
    A sequence of knot groups and their centers.
    Francis D. Lonergan*, Webster, Massachusetts
    (851-55-35)
  • 3:30 p.m.
    Classifying cellular automata.
    Klaus Sutner*, Stevens Institute of Technology
    (851-68-42)
  • 3:45 p.m.
    n-tuple hulls in uniform algebra spectrum.
    Toma V. Tonev*, University of Toledo
    (851-46-17)

Sunday October 22, 1989

• Sunday October 22, 1989, 7:30 a.m.-9:50 a.m.
  Special Session on Geometry Related to Computer Vision, III
  Room 219, Kidde Hall
  

  • 7:30 a.m.
    Object detection in images by probing.
    David M. Mount*, University of Maryland, College Park
    (851-51-94)
  • 8:00 a.m.
    Global distances from local operations.
    Gunilla Borgefors*, Swedish Defence Research Establisment, Sweden
    (851-51-53)
  • 8:30 a.m.
    Illuminating line segments from beyond.
    Wei-Ping Liu, University of Ottawa
    Ivan Rival*, University of Ottawa
    (851-68-73)
  • 9:00 a.m.
    Computational geometry and computer vision.
    Godfried Toussaint*, McGill University
    (851-68-82)
  • 9:30 a.m.
    Discussion
• Sunday October 22, 1989, 7:30 a.m.-9:50 a.m.
  Special Session on Low-dimensional Topology, III-A
  Room 203, Morton Hall
  

  • 7:30 a.m.
    Not all links are concordant to boundary links.
    Tim D. Cochran*, Northwestern University
    Kent E. Orr, Indiana University, Bloomington
    (851-57-54)
  • 8:00 a.m.
    Knot polynomials and boundary slopes.
    D. Cooper, University of California, Santa Barbara
    D. D. Long*, University of California, Santa Barbara
    (851-57-04)
  • 8:30 a.m.
    Volumes of hyperbolic 3-orbifolds.
    William Dunbar*, Pennsylvania State University, Erie
    G. Robert Meyerhoff, Boston University
    (851-57-13)
  • 9:00 a.m.
    State models and the Alexander polynomial.
    Kenneth C. Millett*, University of California, Santa Barbara
    (851-57-20)
  • 9:30 a.m.
    Progress on the Tait flyping conjecture.
    Morwen B. Thistlethwaite*, University of Tennessee, Knoxville
    (851-57-27)
• Sunday October 22, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Mathematical Fluid Dynamics, III
  Room 218, Pierce Hall
  

  • 8:00 a.m.
    Invariant helical subspaces of the Navier-Stokes equations.
    Sidney Leibovich, Cornell University
    Alexis Mahalov, Cornell University
    Edriss S. Titi*, University of California, Irvine
    (851-76-32)
  • 8:30 a.m.
    Combinatorics and invariant tori in vortex dynamics.
    Chjan Lim*, Rensselaer Polytechnic Institute
    (851-76-50)
  • 9:00 a.m.
    A steady state solution of a nonlinear diffusion process.
    Raymond Michalek*, Stevens Institute of Technology
    (851-35-49)
  • 9:30 a.m.
    Discussion
• Sunday October 22, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Smooth Dynamical Systems, II
  Room 120, Pierce Hall
  

  • 8:00 a.m.
    Multiple bifurcation in a predator-prey system.
    Douglas S. Shafer*, University of North Carolina, Charlotte
    (851-58-43)
  • 8:30 a.m.
    Parameter spaces of shift-like rational maps of degree 2.
    Linda Keen*, Herbert H. Lehman College, City University of New York
    (851-99-104)
  • 9:00 a.m.
    Cellular automata can have non-recursive dynamics.
    Lyman P. Hurd*, University of Maryland, College Park
    (851-58-79)
  • 9:30 a.m.
    Connect-the-dots and topological entropy.
    Ethan M. Coven*, Wesleyan University
    (851-58-44)
• Sunday October 22, 1989, 8:00 a.m.-9:50 a.m.
  Special Session on Algebraic Geometry, P-adic Aspects, III
  Room 224, Kidde Hall
  

  • 8:00 a.m.
    Discussion
  • 8:30 a.m.
    A Gauss-Bonnet type formula for certain Mumford curves.
    Richard M. Freije*, Mount Holyoke College
    (851-14-92)
  • 9:00 a.m.
    L-functions and differential equations. II.
    Peter F. Stiller*, Institute for Advanced Study
    (851-14-90)
  • 9:30 a.m.
    l-invariance for Galois representations.
    Michael Larsen*, Princeton University
    Richard Pink, Princeton University
    (851-11-87)
• Sunday October 22, 1989, 8:30 a.m.-9:50 a.m.
  Special Session on Low-dimensional Topology, III-B
  Room 201, Morton Hall
  

  • 8:30 a.m.
    The second homology of discrete groups of diffeomorphisms.
    Alexander Suciu*, Northeastern University
    Solomon Jekel, Northeastern University
    (851-57-25)
  • 9:00 a.m.
    Imbeddings of three-manifold groups.
    F. Gonzal\'ez-Acu\~na, Universidad Nacional Autonoma de Mexico
    Wilbur Whitten*, University of Southwestern Louisiana
    (851-57-16)
  • 9:30 a.m.
    Algebraic surfaces and exotic smooth structures.
    Robert E. Gompf*, University of Texas, Austin
    (851-57-10)
• Sunday October 22, 1989, 8:30 a.m.-9:50 a.m.
  Special Session on Finite Groups, I
  Room 116, Pierce Hall
  

  • 8:30 a.m.
    A proof of the Kegel-Wielandt conjecture.
    Peter Kleidman*, Rutgers University, New Brunswick
    (851-20-76)
  • 9:00 a.m.
    Regular orbits of nilpotent groups.
    Walter Carlip*, University of Chicago
    (851-20-34)
  • 9:30 a.m.
    Some lattices and their groups.
    John Conway*, Princeton University
    (851-20-77)
• Sunday October 22, 1989, 10:00 a.m.-11:00 a.m.
  Invited Address
• Sunday October 22, 1989, 12:30 p.m.-1:30 p.m.
  Invited Address
  Dynamics and singularity formation for vortex sheets.
  Room 228, Kidde Hall
  Russel Caflisch*, Courant Institute of Mathematical Sciences, New York University and University of California, Los Angeles
  (851-76-33)
• Sunday October 22, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Geometry Related to Computer Vision, IV
  Room 219, Kidde Hall
  

  • 1:45 p.m.
    A Jordan surface theorem for three-dimensional digital spaces.
    Ralph Kopperman, City College, City University of New York
    Paul R. Meyer*, Herbert H. Lehman College, City University of New York
    Richard G. Wilson, Herbert H. Lehman College, City University of New York
    (851-54-11)
  • 2:15 p.m.
    A general Voronoi diagram as a spatial metric.
    John D. Radke*, University of Pennsylvania
    (851-51-98)
  • 2:45 p.m.
    A survey of metrics used in digital geometry.
    Robert A. Melter*, Long Island University, Southampton College
    (851-51-09)
• Sunday October 22, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Mathematical Fluid Dynamics, IV
  Room 218, Pierce Hall
  

  • 1:45 p.m.
    Dynamics of small numbers of hydrodynamically interacting spheres under the influence of gravity.
    Jonathan H. C. Luke*, New Jersey Institute of Technology
    (851-76-83)
  • 2:15 p.m.
    Complex approximate solutions to the Euler equations.
    Vladimir Scheffer*, Rutgers University, New Brunswick
    (851-76-70)
  • 2:45 p.m.
    Approximation of an initial-boundary value problem for a Bingham fluid.
    Jong Uhn Kim*, Virginia Polytechnic Institute and State University
    (851-76-31)
• Sunday October 22, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Low-dimensional Topology, IV
  Room 203, Morton Hall
  

  • 1:45 p.m.
    Topology of curves in compact complex surfaces.
    Walter D. Neumann*, Ohio State University, Columbus
    (851-32-39)
  • 2:15 p.m.
    The group of outer automorphisms of a free product.
    Darryl McCullough, University of Oklahoma
    Andy Miller*, University of Oklahoma
    (851-57-21)
  • 2:45 p.m.
    Geodesic laminations with transverse distributions.
    Francis Bonahon*, University of Southern California
    (851-57-03)
• Sunday October 22, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Smooth Dynamical Systems, III
  Room 120, Pierce Hall
  

  • 1:45 p.m.
    Do steady fast magnetic dynamos exist?
    Ittai Kan*, George Mason University
    Edward Ott, University of Maryland, College Park
    John M. Finn, University of Maryland, College Park
    James D. Hanson, Auburn University, Auburn
    (851-99-105)
  • 2:15 p.m.
    Unstable chaos and symbolic dynamics.
    Denis Blackmore*, New Jersey Institute of Technology and Courant Institute of Mathematical Sciences
    (851-58-29)
  • 2:45 p.m.
    Linking and the shadowing property for piecewise monotone maps.
    Liang Chen*, Tufts University
    (851-58-41)
• Sunday October 22, 1989, 1:45 p.m.-3:05 p.m.
  Special Session on Finite Groups, II
  Room 116, Pierce Hall
  

  • 1:45 p.m.
    Revision of the classification of the finite simple groups: A status report.
    Daniel Gorenstein*, Rutgers University, New Brunswick
    (851-20-78)
  • 2:15 p.m.
    Discussion
  • 2:45 p.m.
    Finite groups and the multiplicative structure of subfields.
    Robert M. Guralnick*, University of Southern California
    Roger Wiegand, University of Nebraska, Lincoln
    (851-20-07)

Inquiries:  meet@ams.org

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